Roger L. Shingleton — 1 Patent at Environmental Technologies

Roger L. Shingleton has been granted 1 US patent while listed as an inventor at Environmental Technologies. All of these patents were granted in 1999. Roger L. Shingleton ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Roger L. Shingleton in Sumner, WA, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
5975021	Centrifugal feed distributor	Ronald E. Burnham, Jon K. Lapping	1999-11-02	$1,048,000

Roger L. Shingleton — 1 Patent

Issued Patents All Time

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